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namespace SearchApiTestAppTest.Adapter
{
    public class GraphEngineTest
    {
        private GraphEngine _graphEngine;

        [SetUp]
        public void SetUp()
        {
            var logger = TestLogger.Create<GraphEngine>();
            var builder = new ConfigurationBuilder()
                .AddJsonFile("appsettings.Development.json");
            var Configuration = builder.Build();

            var options = new AppSettings();
            Configuration.GetSection("AppSettings")
                .Bind(options);
            _graphEngine = new GraphEngine(options, logger);
        }

        [TestCase(TestName = "Step0 - 초기화 생성및 연결 Test")]
        public async Task CreatePersonAreOK()
        {
            _graphEngine.RemoveAll().Wait();

            var cypher = await _graphEngine.GetCypher();

            await cypher.Write
                .Create(@"(alice:Person {name:'홍길동'})")
                .ExecuteWithoutResultsAsync();

            await cypher.Write
                .Create(@"(alice:Person {name:'철수'})")
                .ExecuteWithoutResultsAsync();

            await cypher.Write
                .Create(@"(alice:Movie {name:'스파이더맨'})")
                .ExecuteWithoutResultsAsync();

            await cypher.Write
                .Create(@"(alice:Movie {name:'타이타닉'})")
                .ExecuteWithoutResultsAsync();

            await cypher.Write
                .Match(@"(a: Person),(b: Movie)")
                .Where(@"a.name = '홍길동' AND b.name = '스파이더맨'")
                .Create(@"(a)-[r:뷰]->(b)").ExecuteWithoutResultsAsync();

            await cypher.Write
                .Match(@"(a: Person),(b: Movie)")
                .Where(@"a.name = '철수' AND b.name = '타이타닉'")
                .Create(@"(a)-[r:뷰]->(b)").ExecuteWithoutResultsAsync();

            await cypher.Write
                .Match(@"(a: Person),(b: Person)")
                .Where(@"a.name = '철수' AND b.name = '홍길동'")
                .Create(@"(a)-[r:친구]->(b)").ExecuteWithoutResultsAsync();
        }
    }
}

namespace SearchApiApp.Actors
{
    public class GraphElementIdenty
    {
        public string Alice { get; set; }

        public string Name { get; set; }
    }

    public class GraphEvent
    {
        public string Action { get; set; } // Create , Relation, Reset

        public string Alice { get; set; } // AliceName

        public string Name { get; set; }

        public GraphElementIdenty From { get; set; }

        public GraphElementIdenty To { get; set; }
    }

    public class GraphEventActor : ReceiveActor
    {
        private readonly ILoggingAdapter logger = Context.GetLogger();        
        private readonly GraphEngine graphEngine;

        public GraphEventActor(GraphEngine _graphEngine)
        {
            logger.Info($"Create GraphEventActor:{Context.Self.Path.Name}");
            graphEngine = _graphEngine;

            ReceiveAsync<GraphEvent>(async graphEvent =>
            {
                var cypher = await _graphEngine.GetCypher();

                switch (graphEvent.Action)
                {
                    case "Reset":
                        {
                            await _graphEngine.RemoveAll();
                        }
                        break;
                    case "Create":
                        {                            
                            await cypher.Write
                                .Create($"(alice:{graphEvent.Alice} {{name:'{graphEvent.Name}'}})")
                                .ExecuteWithoutResultsAsync();
                        }
                        break;
                    case "Relation":
                        {
                            await cypher.Write
                                .Match($"(a:{graphEvent.From.Alice}),(b:{graphEvent.To.Alice})")
                                .Where($"a.name = '{graphEvent.From.Name}' AND b.name = '{graphEvent.To.Name}'")
                                .Create($"(a)-[r:{graphEvent.Name}]->(b)").ExecuteWithoutResultsAsync();
                        }
                        break;
                }
            });
        }
    }
}}
}

var graphEngine = app.ApplicationServices.GetService<GraphEngine>();

var graphEventActor = AkkaLoad.RegisterActor(
    "GraphEventActor",
    actorSystem.ActorOf(Props.Create<GraphEventActor>(graphEngine),
        "GraphEventActor"
));

//Test For Graph
graphEventActor.Tell(new GraphEvent()
{
    Action = "Reset"
});

// 홍길동 생성
graphEventActor.Tell(new GraphEvent()
{
    Action = "Create",
    Alice = "Person",
    Name = "홍길동"
});

// 스파이더맨 영화생성
graphEventActor.Tell(new GraphEvent()
{
    Action = "Create",
    Alice = "Movie",
    Name = "스파이더맨"
});

// 홍길동은 스파이더맨을 시청하였다.
graphEventActor.Tell(new GraphEvent()
{
    Action = "Relation",                            
    Name = "시청",
    From = new GraphElementIdenty()
    {
        Alice = "Person",
        Name = "홍길동"
    },
    To = new GraphElementIdenty()
    { GraphElementIdenty()
    {
        Alice = "Movie",
        AliceName = "Movie",
        Name = "스파이더맨"
    }
});스파이더맨"
    }
});